1) The word "telephone" contains five vowels: E, E, O, E, and E.

2) The ocean covers about 71% of the Earth's surface and contains roughly 97% of the planet's water.

3) The world's most expensive car is the Bugatti La Voiture Noire, which sold for over $18 million.

4) The word "piano" contains three vowels: I, A, and O.